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POSet Wallpaper from gallery according to position
 

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    <p>I have a Gallery and an imageView as in this pic: <a href="http://i50.tinypic.com/2e6h2so.png" rel="nofollow">http://i50.tinypic.com/2e6h2so.png</a> and i need button1 to set the current image as wallpaper I am having a problem in setResource</p> <pre><code> myWallpaperManager.setResource(mImageIds[position]); </code></pre> <p>This is my code:</p> <pre><code> public class batman extends Activity implements OnClickListener{ Button set; private int[] mImageIds = { R.drawable.b, R.drawable.b1, R.drawable.b2, R.drawable.b3, R.drawable.b4, R.drawable.b5, R.drawable.b6, R.drawable.b7, R.drawable.b8, R.drawable.b9, R.drawable.b10, R.drawable.b11, R.drawable.b12, R.drawable.b13, R.drawable.b14, R.drawable.b15, R.drawable.b16, R.drawable.b17, R.drawable.b18, R.drawable.b19, R.drawable.b20, R.drawable.b21, R.drawable.b22, R.drawable.b23, R.drawable.b24, }; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); requestWindowFeature(Window.FEATURE_NO_TITLE); getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN); setContentView(R.layout.batman); set=(Button)findViewById(R.id.button1); set.setOnClickListener(this); Gallery g = (Gallery) findViewById(R.id.gallery); g.setAdapter(new ImageAdapter(this)); g.setOnItemClickListener(new OnItemClickListener() { public void onItemClick (AdapterView&lt;?&gt; parent, View v, int position, long id) { ImageView imageView =(ImageView)findViewById(R.id.imageView1); imageView.setImageResource(mImageIds[position]); } }); } public class ImageAdapter extends BaseAdapter { int mGalleryItemBackground; private Context mContext; public ImageAdapter(Context c) { mContext = c; TypedArray a = c.obtainStyledAttributes(R.styleable.GalleryA); mGalleryItemBackground = a.getResourceId( R.styleable.GalleryA_android_galleryItemBackground, 0); a.recycle(); } public int getCount() { return mImageIds.length; } public Object getItem(int position) { return position; } public long getItemId(int position) { return position; } public View getView(int position, View convertView, ViewGroup parent) { ImageView i = new ImageView(mContext); i.setImageResource(mImageIds[position]); i.setLayoutParams(new Gallery.LayoutParams(150, 100)); i.setScaleType(ImageView.ScaleType.FIT_XY); i.setBackgroundResource(mGalleryItemBackground); return i; } } public void onClick(View arg0) { // TODO Auto-generated method stub int id=arg0.getId(); if(id==R.id.button1) { WallpaperManager myWallpaperManager = WallpaperManager.getInstance(getApplicationContext()); try { myWallpaperManager.setResource(mImageIds[position]); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } </code></pre>
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